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Patek Philippe Aquanaut
Photo by EMore98 (CC BY-SA 4.0), via Wikimedia Commons · Patek Philippe Aquanaut Advanced Research 5650G, a limited 500-piece sibling; shares the Aquanaut case and tropical-strap silhouette with the 5167A.
  • Patek Philippe Aquanaut
  • Patek Philippe Aquanaut

The Patek Philippe Aquanaut | family history

The Aquanaut launched in 1997 as Patek's younger, sportier companion to the Nautilus. Where the Nautilus had an octagonal porthole bezel and a horizontal-grooved dial, the Aquanaut had a rounded octagonal case and an embossed check-pattern dial. The rubber composite strap was the departure from the Nautilus's integrated metal bracelet. The initial ref. 5060 was developed by Genta's office but is distinct enough from the Nautilus to have earned its own identity over time. The Aquanaut trades at strong premiums over retail, as does the Nautilus, but the Aquanaut market is slightly more accessible because fewer people lead with it when they want 'a steel Patek.' That gap is closing.

Year introduced: 19973 references1 sub-line

Patek’s younger sport line, the Nautilus’s less-formal sibling, with a rounded-octagonal case, embossed checkerboard dial, and the composite "Tropical" rubber strap that defined its silhouette in 1997. The 5167 (2007 onwards) is the family’s long-running steel reference.

1997–2007 · The ref. 5060: the original Aquanaut

The 5060 was the first Aquanaut: 37.4mm, caliber 315 SC automatic, rubber composite strap. Designed to sit below the Nautilus in size and formality. The rounded octagonal case and embossed 'tropical' dial were the design signature. Production ran ~1997–2007 before the 5167 succeeded it. Vintage market; the 5060 is collected by Patek enthusiasts who prefer the smaller case and the first-generation movement, but it is not the primary collector target in this family.

No references from this era in the catalog yet.

2007–present · The 5167A: the canonical steel Aquanaut

The 5167A-001 (2007–present) is the 40mm steel Aquanaut on caliber 324 S C: Gyromax balance, Spiromax silicon hairspring, 45-hour reserve. This is the reference most buyers mean when they say 'Aquanaut.' Black or blue tropical dial, stainless steel case. The rubber composite strap is the standard; a rubber bracelet alternative exists but the strap is the correct choice aesthetically. Secondary-market prices have pulled back from 2021/2022 peaks but still sit well above the ~$23,000 retail. The 5167 is the Aquanaut's 5711: the straightforward steel reference that everyone wants.

  • Steel Aquanaut at list price is rare at authorized dealers but trades at a smaller secondary premium than the Nautilus, making it the more accessible Patek sport reference.
    Patek Cal. 324 S C -- automatic with date, 28,800bph, 45h PR, 29j; Gyromax balance, Spiromax hairspring; used across Calatrava and Aquanaut lines40mmeditorial
    Open

2021–present · The 5168G Khaki: the colored-dial generation

The 5168G-010 in khaki green (2021–present) brought the Aquanaut into the colored-dial era that has defined luxury sport watches since 2020. White gold case, 42.2mm, caliber 324 S C, khaki green dial. The move to white gold adds cost; the green dial is the style statement. The 5168 variants also come in rose gold with olive or other dial colors. These are the Aquanauts for buyers who want a more individual expression than the standard steel 5167.

  • Patek Cal. 324 S C -- automatic with date, 28,800bph, 45h PR, 29j; Gyromax balance, Spiromax hairspring; used across Calatrava and Aquanaut lines42.2mmeditorial
    Open

2017 · The 5650G Advanced Research: the complication Aquanaut

The 5650G-001 (2017, limited edition) was Patek's 'Advanced Research' Aquanaut: white gold, 40.8mm, caliber 324 S C FUS with a flexible-spine lugs system and dual time zone. Patek uses the Advanced Research designation for watches that introduce materials or mechanisms being evaluated for broader application. The 5650G is the most mechanically interesting Aquanaut ever made and trades at significant multiples over the 5167A.

How to read this family

Three honest questions for any Aquanaut buyer:

Related families: Nautilus · Calatrava · Royal Oak

Sub-lines

  • The 2021-onward Aquanaut references in white gold with khaki-green dials. The 5168G "Khaki Green" is the family’s most-discussed precious-metal reference, sold as a piqued counter-balance to the steel 5167 production limits.
    1 reference
    Open

References in this family

  • Steel Aquanaut at list price is rare at authorized dealers but trades at a smaller secondary premium than the Nautilus, making it the more accessible Patek sport reference.
    top-luxuryneo-vintagePatek Cal. 324 S C -- automatic with date, 28,800bph, 45h PR, 29j; Gyromax balance, Spiromax hairspring; used across Calatrava and Aquanaut lines40mm2007–presenteditorial
    Open
  • Aquanaut Khakitop-luxurymodernPatek Cal. 324 S C -- automatic with date, 28,800bph, 45h PR, 29j; Gyromax balance, Spiromax hairspring; used across Calatrava and Aquanaut lines42.2mm2021–presenteditorial
    Open
  • top-luxurymodernPatek Cal. 324 S C FUS -- automatic with date and second time zone, 28,800bph, 45h PR, 29j; Gyromax balance; used in Calatrava Pilot 5524G40.8mm2017editorial
    Open

Which ref to buy

The Aquanaut is Patek's sport watch for buyers who find the Nautilus too recognizable. The rounded octagon, embossed "Tropical" dial, and composite strap (or rubber) give it a more casual register while remaining unmistakably Patek. Secondary premiums have compressed from the 2021 peak but remain above retail.

  1. 1

    Aquanaut 5167A in steel -- the most accessible Patek sport watch and the correct entry configuration.

    The case for it:
    Cal. 324 S C, automatic, date, 40mm, steel case, black embossed dial. The 5167A is the steel Aquanaut -- the most liquid Aquanaut on any secondary market and the one with the deepest buyer pool. Secondary prices remain above retail but have compressed from 2021 peaks. If you want an Aquanaut, this is the one to own.
    Consider instead if:
    Retail allocation is difficult. Secondary premiums are meaningful. The Aquanaut does not offer the same level of finishing as a steel Nautilus -- it is a different watch with a different character.
    Open
  2. 2

    Aquanaut 5168G "Khaki Green" in white gold -- the most visually distinctive modern Aquanaut.

    The case for it:
    Cal. 240, ultra-thin automatic, white gold, khaki green dial. The khaki color on the 5168G created significant demand when first introduced. White gold with the green dial is a strong combination. The ultra-thin 240 movement makes this the slimmest Aquanaut.
    Consider instead if:
    White gold adds price without adding function. The 5167A in steel remains the stronger value proposition unless the green dial is specifically the draw.
    Open
  3. 3

    Aquanaut Travel Time "Advanced Research" 5650G -- the complication Aquanaut.

    The case for it:
    Travel time complication (separate hour hand for second time zone, pushers at 8 and 10 o'clock), white gold, silicon escapement components. The Advanced Research designation marks Patek's annual technical innovation initiative. A genuinely useful complication for travelers, in the correct package.
    Consider instead if:
    The Travel Time complication adds case thickness and price. The 5167A remains the cleaner aesthetic choice.
    Open

Rankings last reviewed 2026-06-06. Editorial perspective only. Not financial advice.

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The Patek Philippe Aquanaut | family history | Grail Atlas